I am trying to flag this post as a duplicate of this one, but I cannot seem to get it to work as the button is greyed out.
I tried to enter:
https://codereview.stackexchange.com/questions/62864/are-these-the-correct-functions-for-cleaning-data-to-be-sent-to-database-and-ins
62864
- etc.
But none of them work. Voting to close as a duplicate has the same problem.
Here is a screenshot:
I'm using Opera (on Linux Mint).
If I'm using Firefox it works. Can someone confirm if this is just my version of Opera, or if this is a general issue?